Długokęcka, M. “SOCIO-ECONOMIC ASPECTS OF AGROTOURISM ACTIVITES (WARMIŃSKO-MAZURSKIE VOIVODOSHIP CASE STUDY)”. Acta Scientiarum Polonorum. Oeconomia, Vol. 1, no. 1, June 2002, pp. 115-24, https://js.wne.sggw.pl/index.php/aspe/article/view/3591.